<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<meta name="viewport" content="width=device-width, initial-scale=1">
		<title>Title</title>
	</head>
	<body>
		<div></div>
		<script src="jquery-1.12.4.js" type="text/javascript" charset="utf-8"></script>
		<script type="text/javascript">
			$(function(){
				//设置性操作: 可以链式编程
				//获取性操作,不能链式,因为获取性操作,数值,字符串,
				//返回值不是一个jq对象.
				console.log($('div').width(200).height(200).css("backgroundColor","pink").width());
			});
		</script>
		
	</body>
</html>